05-22-2014
• Business Insider
But if you ask a dermatologist, they can see a whole lot more. Everything from poor diet and stress to serious kidney problems can be revealed by a glance at your fingernails.
There are about 30 different nail signs that can be associated with medical issues, though many may indicate more than one problem, according to Dr. Amy Derick, a clinical instructor of dermatology at Northwestern University.
Here are eight of the things a doctor can tell about your health based on your fingernails.